| Place Name | Lansdowne |
| Place Type | Census Designated Place |
| ZIP Code(s) | 21227 |
| County | Baltimore County |
| Area Code(s) | 410,443,667 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 9,328 |
| Population Growth Rate (2010-19) | 7.08% |
| Majority Ethnicity | White 58.51% |
| Metro/Micro Stats Area | Baltimore-Columbia-Towson, MD |
| US Congressional District(s) | Maryland 3rd |
| House of Delegates Districts | 12 |
| State Senate Districts | 12 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 58.51% |
| African American | 25.63% |
| Hispanic | 0% |
| Asian | 1.13% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 14.73% |